On Wed, Feb 14, 2007 at 01:13:39PM -0500, Chris Carlin wrote:
> Matthew Toseland wrote:
> > What's the typical packet loss on a wired internet connection? I've
> > hardly ever seen packet loss here, certainly no more than 2%.
> > 
> > On a good wireless connection? (20dB etc)?
> > 
> > On a not so good wireless connection?
> 
> For what it's worth, when playing with UDP protocols over residential 
> southern US ISPs I've seen end-to-end packet loss start at less than 
> five percent but then increase rapidly to 90% once a seemingly arbitrary 
>   number of packets per second is reached. This happened without 
> saturation of the point-to-point bandwidth and was not connected to size 
> of the packets.
> 
> Also, it wasn't a crazy test of UDP's limits; it was actually an 
> experiment to see why the AIMD in a real-world data transmission 
> algorithm was flapping. Turns out the 70-90% packet loss would follow 
> the transmit rate down until it reached another seemingly arbitrary 
> point (without regard to rate of decrease) where the loss would return 
> to normal.
> 
> I did these experiments a year or two ago through a few separate pairs 
> of endpoints, so local malfunctioning equipment can probably be ruled out.

This is a deliberate throttling policy on the ISP then?
> 
> ~Chris

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